3-oxo-5-alpha-steroid 4-dehydrogenase 2 (EC 1.3.1.22) (5 alpha-SR2) (SR type 2) (Steroid 5-alpha-reductase 2) (S5AR 2) (Type II 5-alpha reductase)
1_MQVQC 6_ QQSPV 11_ LAGSA 16_ TLVAL 21_ GALAL 26_ YVAKP 31_ SGYGK 36_ HTESL 41_ KPAAT 46_ RLPAR 51_ AAWFL 56_ QELPS 61_ FAVPA 66_ GILAR 71_ QPLSL 76_ FGPPG 81_ TVLLG 86_ LFCVH 91_ YFHRT 96_ FVYSL 101_ LNRGR 106_ PYPAI 111_ LILRG 116_ TAFCT 121_ GNGVL 126_ QGYYL 131_ IYCAE 136_ YPDGW 141_ YTDIR 146_ FSLGV 151_ FLFIL 156_ GMGIN 161_ IHSDY 166_ ILRQL 171_ RKPGE 176_ ISYRI 181_ PQGGL 186_ FTYVS 191_ GANFL 196_ GEIIE 201_ WIGYA 206_ LATWS 211_ LPALA 216_ FAFFS 221_ LCFLG 226_ LRAFH 231_ HHRFY 236_ LKMFE 241_ DYPKS 246_RKALI
1: Converts testosterone (T) into 5-alpha-dihydrotestosterone (DHT) and progesterone or corticosterone into their corresponding 5-alpha-3-oxosteroids. It plays a central role in sexual differentiation and androgen physiology